An attacker exploited cross-shard validation flaws to illegally mint 2.385 trillion ONE tokens via 477 fraudulent transfers, sending ONE down over 30%. Harmony rolled back both shards to their Aug 11 state, deployed an emergency patch, and paused cross-chain bridge services.
Matters because: This is a clear negative catalyst for ONE holders and a reminder that cross-chain bridge security risks are still live across the sector.